Community College of Allegheny County OCS Security Camera System Pittsburgh, PA
B. Comply with UL 467 for grounding and bonding materials and equipment.
2.2
MANUFACTURERS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Burndy; brand of Hubbell Electrical Solutions; Hubbell Incorporated. 2. ERICO; brand of nVent Electrical plc. 3. Harger Lightning & Grounding; business of Harger, Inc. 4. ILSCO. 5. O-Z/Gedney; brand of Emerson Electric Co., Automation Solutions, Appleton Group. 2.3 CONDUCTORS A. Insulated Conductors: Copper or tinned-copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction. 1. Bonding Cable Conductor: No. 4 or No. 6 AWG, stranded conductor. 2. Bonding Jumper: Copper tape, braided conductors terminated with copper ferrules; 1- 5/8 inch wide and 1/16 inch thick. 3. Tinned Bonding Jumper: Tinned-copper tape, braided conductors terminated with copper ferrules; 1-5/8 inch wide and 1/16 inch thick. B. Grounding Bus/Telecommunications Ground Bar: Predrilled rectangular bars of annealed copper, 1/4 by 4 inch in cross section, with 9/32 inch holes spaced 1-1/8 inch apart. Stand-off insulators for mounting must comply with UL 891 for use in switchboards, 600 V and must be Lexan or PVC, impulse tested at 5000 V.
2.4
CONNECTORS
A. Listed and labeled by an NRTL acceptable to authorities having jurisdiction for applications in which used and for specific types, sizes, and combinations of conductors and other items connected. B. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions. C. Compression-Type Bus-Bar Connectors: Copper or copper alloy, with two wire terminals. D. Beam Clamps: Mechanical type, terminal, ground wire access from four directions, with dual, tin-plated or silicon bronze bolts. E. Cable-to-Cable Connectors: Compression type, copper or copper alloy. F. Cable Tray Ground Clamp: Mechanical type, zinc-plated malleable iron.
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